Add DCC support into whom

[mmh] / uip / whom.c

diff --git a/uip/whom.c b/uip/whom.c
index 4b15fbd..d313f05 100644 (file)
--- a/uip/whom.c
+++ b/uip/whom.c
@@ -22,13 +22,17 @@ static struct swit switches[] = {
        { "tocc", 0 },
 #define NTOCCSW 3
        { "notocc", 2 },
-#define BCCSW 4
+#define DCCSW 4
+       { "dcc", 0 },
+#define NDCCSW 5
+       { "nodcc", 2 },
+#define BCCSW 6
        { "bcc", 0 },
-#define NBCCSW 5
+#define NBCCSW 7
        { "nobcc", 2 },
-#define ALISW 6
+#define ALISW 8
        { "alias", 0 },
-#define NALISW 7
+#define NALISW 9
        { "noalias", 2 },
        { NULL, 0 }
 };
@@ -39,7 +43,8 @@ static struct swit switches[] = {
 #define HRESENT (1<<1)
 #define HTO (1<<2)
 #define HCC (1<<3)
-#define HBCC (1<<4)
+#define HDCC (1<<4)
+#define HBCC (1<<5)
 
 struct mailname head = {0};
 struct mailname *mp = &head;
@@ -48,10 +53,12 @@ static char *cmd;
 
 static int resent = 0;  /* consider normal or resent headers */
 static int toccsw = 1;  /* list sighted recipients */
-static int bccsw = 1;  /* list hidden recipients */
+static int dccsw = 1;  /* list hidden dcc recipients */
+static int bccsw = 1;  /* list hidden bcc recipients */
 static int alisw = 1;  /* expand aliases on rcpt addrs */
 
-static char *separator = "\t==BCC==";
+static char *dccsep = "\t==DCC==";
+static char *bccsep = "\t==BCC==";
 
 
 /*
@@ -60,6 +67,7 @@ static char *separator = "\t==BCC==";
 static int process(char *);
 static void proc_hdr(char *, char *);
 static int print(void);
+static int printdcc(void);
 static int printbcc(void);
 static void printone(struct mailname *);
 
@@ -109,6 +117,13 @@ main(int argc, char **argv)
                                toccsw = 0;
                                continue;
 
+                       case DCCSW:
+                               dccsw = 1;
+                               continue;
+                       case NDCCSW:
+                               dccsw = 0;
+                               continue;
+
                        case BCCSW:
                                bccsw = 1;
                                continue;
@@ -135,8 +150,8 @@ main(int argc, char **argv)
        if (!filep) {
                adios(EX_USAGE, NULL, "usage: %s [switches] file ...", invo_name);
        }
-       if (!toccsw && !bccsw) {
-               adios(EX_USAGE, NULL, "give -tocc or -bcc or both to produce output");
+       if (!toccsw && !dccsw && !bccsw) {
+               adios(EX_USAGE, NULL, "use at least one of: -tocc -dcc -bcc");
        }
        for (filep=0; files[filep]; filep++) {
                process(files[filep]);
@@ -156,6 +171,19 @@ main(int argc, char **argv)
        naddrs += n;
 
        cmd = add("ali -list", NULL);
+       if ((n=printdcc()) && alisw) {
+               if (!(in = popen(cmd, "r"))) {
+                       adios(EX_IOERR, "popen", "unable to");
+               }
+               while (fgets(buf, sizeof buf, in)) {
+                       fputs(buf, stdout);
+               }
+               pclose(in);
+       }
+       free(cmd);
+       naddrs += n;
+
+       cmd = add("ali -list", NULL);
        if ((n=printbcc()) && alisw) {
                if (!(in = popen(cmd, "r"))) {
                        adios(EX_IOERR, "popen", "unable to");
@@ -167,6 +195,7 @@ main(int argc, char **argv)
        }
        free(cmd);
        naddrs += n;
+
        return naddrs ? 0 : 1;
 }
 
@@ -242,12 +271,16 @@ proc_hdr(char *name, char *val)
                type = HTO;
        } else if (mh_strcasecmp(name, "cc")==0) {
                type = HCC;
+       } else if (mh_strcasecmp(name, "dcc")==0) {
+               type = HDCC;
        } else if (mh_strcasecmp(name, "bcc")==0) {
                type = HBCC;
        } else if (mh_strcasecmp(name, "resent-to")==0) {
                type = (HRESENT | HTO);
        } else if (mh_strcasecmp(name, "resent-cc")==0) {
                type = (HRESENT | HCC);
+       } else if (mh_strcasecmp(name, "resent-dcc")==0) {
+               type = (HRESENT | HDCC);
        } else if (mh_strcasecmp(name, "resent-bcc")==0) {
                type = (HRESENT | HBCC);
        }
@@ -259,6 +292,9 @@ proc_hdr(char *name, char *val)
        if ((type&HTO || type&HCC) && !toccsw) {
                return;
        }
+       if ((type&HDCC) && !dccsw) {
+               return;
+       }
        if ((type&HBCC) && !bccsw) {
                return;
        }
@@ -302,6 +338,30 @@ print(void)
 ** Walk through the list of addresses and print the right ones.
 */
 static int
+printdcc(void)
+{
+       int naddrs = 0;
+
+       for (mp=head.m_next; mp; mp=mp->m_next) {
+               /* skip unless both are resent or neither one is */
+               if (resent != (mp->m_type&HRESENT)) {
+                       continue;
+               }
+               if (mp->m_type & HDCC) {
+                       if (!naddrs && (toccsw || bccsw)) {
+                               puts(dccsep);
+                       }
+                       naddrs++;
+                       printone(mp);
+               }
+       }
+       return naddrs;
+}
+
+/*
+** Walk through the list of addresses and print the right ones.
+*/
+static int
 printbcc(void)
 {
        int naddrs = 0;
@@ -312,8 +372,8 @@ printbcc(void)
                        continue;
                }
                if (mp->m_type & HBCC) {
-                       if (!naddrs && toccsw) {
-                               puts(separator);
+                       if (!naddrs && (toccsw || dccsw)) {
+                               puts(bccsep);
                        }
                        naddrs++;
                        printone(mp);